Historical Relics Repurposed into Jewelry
Several jewelry designs incorporated historical artifacts at the Tucson gem shows.
“Ice Jade” from Guatemala
Characterizes a translucent variety of jadeite jade from the Morales mine in Guatemala.
An Exceptional Cat’s-Eye Emerald
Morganite from Blue Star Gems
An extraordinary 236.27 ct morganite from Madagascar stands out at the GJX show.
The Lengthy Vertical Journey of Superdeep Diamonds
Explores the journey of superdeep diamonds to the earth’s surface.
New High-Quality Rainbow Moonstone from Madagascar
A new type of transparent moonstone seen in Tucson displays a distinct orange flash effect.
G&G Features in a Flash: Texas Topaz
Learn about Texas topaz history and geographic origin research.
New and Notable Finds from the GIA Lab: Winter 2023
Discover a bicolor chameleon diamond, a diamond with carbon dioxide, and a pink square inside a diamond.
Gems of Northern Madagascar Video with GIA Field Gemology
Learn all about the gems of Northern Madagascar in this exciting video with Wim Vertriest, GIA Manager of Field Gemology.
Unusual Inclusions in Natural Emerald from Chivor
Tubular three-phase inclusions are observed in a Colombian emerald.
Suspended Crystal in Red Spinel
“Sun Spangle” in Amber
Hollandite in Amethyst
A spectacular display of hollandite crystals is captured within an amethyst cabochon.
Distinctive Feather in Diamond
A feather observed in a natural diamond resembles a large reptile.
Cross in Natural Diamond
Treated HPHT Laboratory-Grown Diamond with Dramatic Color Zoning
A Fancy Deep brownish orange treated HPHT-grown diamond exhibits multiple defect concentrations in various growth sectors.
A Remarkable 16.71 ct Transparent Orange-Yellow Sodalite
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